Screw conveyors

CHARACTERISTICS

Types

2 types of screw conveyors :

• Trough
• Tubular

Conical extracting screws

PURPOSE

The screw conveyor is designed using the screw conveyor principle for the handling and extracting or dosing of the granular and powdery products. The product is handled horizontally or sloped in a linear way.

Our wide range of standard screw conveyors allows capacities up to 300 m³/H.

For applications not included in this range, our Design Offices are qualified to develop specific screws meeting any requirements.

Spire

The spire usually includes a tube on which a continuous thread is welded.

They can be with pallets or ribbon.

The pitch can be :

• Regular for product conveyance
• Progressive for product extraction

Features

• Continuous pitch, with pallets or ribbon

• Regular, progressive or conical pitch

• Synthetic intermediate bearings

• V ring joints or felt sealing

Options

• Bronze or cast bearings, with or without wearing shell

• Sealing by gland with braids

• Spire height adjustment

Accessories

• Fast closing flap for dosing

• Valve with residues limitation

• bottom doors

Safety devices

• ATEX compliance 94/9/CE on demand

• Rotation control

• Clogging detection

• Product flow detection